Question 11: Many young people have objected to _______ marriage, which is decided by the parents of the bride and groom.

Question 11: Many young people have objected to _______ marriage, which is decided by the parents of the bride and groom. The back sentence: marriage is decided by the parents of the bride and groom. Infer a reasonable phrase about the meaning of “contractual marriage”: marriage by contract, marriage by contract. =============== Link Hoc va […]

Lý thuyết phần bảng số liệu thi ĐGNL ĐHQG HN

27/03/2022 by admin Để lại bình luận I. Tần số, tần suất  *) Trường hợp bảng phân bố tần số, tần suất Phương sai: (begin{array}{l}s_X^2 = dfrac{1}{n}.\left[ {{n_1}{{left( {{x_1} – overline x } right)}^2} + … + {n_k}{{left( {{x_k} – overline x } right)}^2}} right]\ = {f_1}{left( {{x_1} – overline x } right)^2} + {f_2}{left( […]

Level 48: Chicago’s Sears Tower, now the taller building in the world, rises 1,522 feet from the ground the top of its antenna.

Level 48: Chicago’s Sears Tower, now the taller building in the world, rises 1,522 feet from the ground the top of its antenna. Explain: “In the world” means in the world, moreover, preceded by “the” should use the superlative degree. Edit:taller=> tallness Translate: Chicago’s Sears Tower, now the tallest structure in the world, rises 1,552 […]

Cho dãy số sau (left( {{u}_{n}} right)) xác định bởi (left{ begin{align} & {{u}_{1}}=1 \ & {{u}_{n+1}}=2{{u}_{n}}+5,,left( f

Câu hỏi: Cho dãy số (left( {{u}_{n}} right)) xác định bởi (left{ begin{align} & {{u}_{1}}=1 \ & {{u}_{n+1}}=2{{u}_{n}}+5,,left( forall nge 1 right) \ end{align} right.). Tìm số nguyên n nhỏ nhất để ({{u}_{n}}>2018.)  Lời giải tham khảo: Đáp án đúng: A Ta có: u2 = 7, u3 = 19, u­4 = 43, u5 = 91. Dễ thấy (begin{align}  & {{u}_{2}}={{u}_{1}}+6 \ […]

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